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soler palau plugfan

Compact power for efficient air movement: Soler & Palau Plug Fans

11-08-2025
3 - 5 min

In compact HVAC setups, industrial enclosures and OEM air handling systems, performance, energy efficiency and flexibility are crucial. The plug fans (also known as free-outlet centrifugal fans) from Soler & Palau (S&P) combine all these features in one robust solution.

soler palau plugfan

At Rotero, we support engineers and machine builders with the right selection and integration of these fans – from advice to delivery.

What is a plug fan?

A plug fan is a radial fan with backward-curved blades, where the outlet blows freely into the room – i.e. without a scroll or spiral housing. This makes plug fans ideal for applications where air needs to be blown directly into a room, cabinet or air duct.

The compact mounting, combined with a motor directly on the impeller, ensures low-maintenance and efficient operation.

Features of the S&P Plug Fan series

Soler & Palau supplies a wide range of plug fans specifically designed for OEM applications and customised air handling systems.

Key features:

πŸ”§ Direct drive The impeller is mounted directly on the motor shaft, which reduces vibration and energy loss.

πŸ’¨ Backward-curved blades For high efficiency and stable airflow with low noise emissions.

βš™οΈ Available with EC or AC motors Depending on performance requirements and controllability, S&P offers both EC (Electronically Commutated) technology and traditional AC solutions.

πŸ“¦ Easy to install The modular design allows for easy integration into cabinets, units and panels.

🌍 Fully compliant with ErP 2015 Complies with European directives for energy efficiency.

Technical specifications (example range)

ModelDriveAirflow (max.) Pressure build-upØ ImpellerMotor options
PLUG-560-ECEC-motor7.000 mΒ³/h1.100 Pa560 mmEC230 / EC400 V
PLUG-400-ACAC-motor4.800 mΒ³/h800 Pa400 mm230/400V, 50Hz
PLUG-315-ECNEC-motor3.200 mΒ³/h700 Pa315 mmCompact EC

Please note: exact specifications depend on the model and configuration.

More information can be found on the Soler & Palau product page.

Typical applications of plug fans

S&P plug fans are widely used in, among other things:

  • Air handling units (AHUs)
  • OEM climate solutions
  • Industrial cooling and heating systems
  • Switch cabinets / electrical enclosures with cooling
  • Cleanrooms and laboratory ventilation

Their compact design and powerful performance make them ideal for customised installations and retrofit projects.

Why choose Rotero + Soler & Palau?

βœ”οΈ Technical advice from the start Our product specialists contribute to the design process and advise on the basis of air flow, pressure loss, noise standards and installation dimensions.

βœ”οΈ Wide range and customisation Rotero offers access to the complete S&P product range, including special versions on request.

βœ”οΈ Reliable delivery and support With 40 years of experience and short lines of communication with S&P, we ensure smooth delivery and technical support where necessary.

βœ”οΈ Knowledge and innovation go hand in hand We combine practical knowledge with the latest ventilation innovations – from EC technology to energy optimisation.

Looking for the right plug fan solution?

Do you have a challenge in the field of air movement, compact construction or energy-efficient ventilation? Soler & Palau plug fans offer the solution – and Rotero helps you find the optimal configuration for your application!

πŸ‘‰ Request free technical advice πŸ‘‰ Or receive a quick, tailor-made quote

ROTERO – SMART eMOTION SOLVERS SINCE 1983
Knowledge works

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